AH542 Datasheet | Alfa Electronics

Two wire current Hall switch sensor 1.Product Introduction AH542 is a Hall switch chip designed based on BCDMOS technology. The sensors includes hall devices with temperature pensation, dynamic offset cancellation amplifiers, parators, and 2.Function output stages. The chip outputs current. The - AEC-Q100 Grade 0 Automotive Level parator pares the actual magnetic flux with Certification a fixed reference value (switching point) to control - Operating Vcc Range:3.0V~30V the current level of the output MOSFET. Active - ESD：±12k V offset pensation can generate magnetic - High mechanical stress suppression ability characteristics with specific temperature coefficients - Switching points with specific temperature under various power supply voltages. In addition, coefficients mechanical stress has little effect on magnetic - Temperature range：-40℃～150℃ parameters. In addition, mechanical stress has little - Reverse-voltage protection at Vcc pin effect on the magnetic parameters of the chip. - Suitable for automobiles and industries The series of chip sensors is suitable for 3.Application industrial and automotive applications, with an - ambient temperature range of -40 ℃ to 150 ℃ and - supply voltage range of 3.0V to 30V. AH542 - provides a variety of packages to customers:TO92S、 - SOT23（small）、SOT23. All packages are Ro Hs - pliant. The product has passed AEC-Q100 - certification. - Speed and RPM sensing Tachometer sensor、Flow-rate sensing DC motor, fan control, robotics control Proximity sensor、Position sensor Seat belt buckles、hood/trunk/door latches Sunroof/convertible top/tailgate Liftgate activation - Brake/clutch pedals - Electric power steering(EPS) - Transmission shifting - Wiper motor REV1.2 06/2023 .alfaelecs. 西安中科阿尔法电子科技有限公司 Two wire current Hall switch sensor 4.Products packaging Part No. AH542UA AH542SU AH542SS Packages TO92S SOT23-3L SOT23（small） temperature range -40℃～150℃ -40℃～150℃ -40℃～150℃ Packing...